Nissan Sentra Service Manual: A-bag branch line circuit
Diagnosis procedure
Warning:
Always observe the following items for preventing accidental activation.
- Before servicing, turn ignition switch off, disconnect battery negative terminal, and wait 3 minutes or more. (To discharge backup capacitor.)
- Never use unspecified tester or other measuring device.
1.Check connector
- Turn the ignition switch off.
- Disconnect the battery cable from the negative terminal.
- Check the terminals and connectors of the air bag diagnosis sensor unit for damage, bend and loose connection (unit side and connector side).
Is the inspection result normal? Yes >> go to 2.
No >> replace the main harness.
2.Check air bag diagnosis sensor unit
Check the air bag diagnosis sensor unit. Refer to src-38, "work flow".
Is the inspection result normal? Yes >> replace the main harness.
No >> replace parts whose air bag system has a malfunction.
Tcm branch line circuit
Diagnosis procedure
1.Check connector
Turn the ignition switch off.
Disconnect the battery cable from the negative terminal.
Check the following terminals and connectors for damage, bend and ...
Dlc branch line circuit
Diagnosis procedure
1.Check connector
Turn the ignition switch OFF.
Disconnect the battery cable from the negative terminal.
Check the terminals and connectors of the data link connector for ...
Other materials:
Precaution
Precaution for supplemental restraint system (srs) "air bag" and "seat belt
pre-tensioner"
The Supplemental Restraint System such as “AIR BAG” and “SEAT BELT PRE-TENSIONER”,
used along
with a front seat belt, helps to reduce the risk or severity of injur ...
P0037, P0038 HO2S2 Heater
DTC Logic
DTC DETECTION LOGIC
DTC No.
CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condition
Possible cause
P0037
HO2 HTR (B1)
(HO2S heater control circuit
low bank 1 sensor 2)
The current amperage in the heated oxygen sensor
2 heater ci ...
Pedal vibration or abs operation
sound occurs
Diagnosis Procedure
CAUTION:
Under the following conditions, ABS is activated and
vibration is felt when brake pedal is lightly
depressed (just place a foot on it). However, this is normal.
When shifting gears
When driving on slippery road
During cornering at high spee ...
